Roper Center for Public Opinion Research (iPOLL)

Roper Center for Public Opinion Research (iPOLL)
The Roper Center is to collect, preserve, and disseminate public opinion data; to serve as a resource to help improve the practice of survey research; and to broaden the understanding of public opinion through the use of survey data in the United States and around the world. (Brief registration is often required to download survey questions and/or datasets.)